GPS Gold Rush:
An outdoor scavenger hunt with cash prizes to the winners.
http://www.gpsgoldrush.com/
Geocaching.com:
Includes large database on caches to hunt down, along with general
information on geocaching.
http://www.geocaching.com/
Utah Geological Survey - Geocaching:
State government site providing an explanation and introduction to
geocaching within the state of Utah.
http://www.ugs.state.ut.us/utahgeo/rockmineral/geocache.htm
Buxley's Geocaching Waypoint:
Explanation of the sport, collection of recent news stories, maps of
cache locations, a FAQ, and announcements of geocaching parties and
events.
http://www.brillig.com/geocaching/
Degree Confluence Project:
A project with the goal to visit each of the latitude and longitude
integer degree intersections in the world, take pictures at each
location, and post pictures and stories on the website. (Not exactly
geocaching...)
http://www.confluence.org/
Geocache Rating System:
Tool for helping geocachers rate the overall and terrain difficulty
of their hidden caches.
http://www.clayjar.com/gcrs/
Geocaching Worldwide:
Provides listings of caches. Lets you search for caches by activity,
location, and historical significance.
http://geocachingworldwide.com/
Geocaching Geocoins Canada:
Geocoins are numbered geocaching coins that are designed to provide
geocachers with a collectable, tradable and trackable cache prize.
http://www.geocoins.ca/
Navicache:
Provides a wide range of information and listing resources for the
geocaching enthusiast including worldwide cache listing service,
forums, and chat.
http://www.navicache.com/
Geocaching Fun:
Offers alternative geocaching uses including cache travel, which
takes you on a cache tour of popular tourist attractions.
http://www.geocaching-fun.com/
The Maryland Geocaching Society:
Geocaching related resources related to caching activities in
Maryland. Site includes forums, chat, cache listings and coming
events
http://www.mdgps.net
Geodashing:
A version of the GPS game in which teams try to reach random
waypoints all over the globe. Features rules, FAQ, mailing list, and
archive.
http://geodashing.home.attbi.com/
Utah geocaching games:
Variety of geocaching games in and around Utah.
http://www.cachunuts.com
Geocaching Australia:
Australian geocaching portal complete with links to forums, mapping
tools and personal cache pages.
http://geocaching.com.au
GeoSnapper - GPS Photography:
Enables users to upload and distribute accurately geo-referenced
digital photographs using a camera and a GPS receiver.
http://www.geosnapper.com
GeocacheUK:
Information and resources for UK geocachers including forums, chat
rooms, maps and stats.
http://www.geocacheuk.com/
Tampa Bay Geocaching:
Resources for GPS enthusiats in the Tampa Bay, Florida.
http://www.tampabaygeocaching.com
Georgia Geocachers Association:
Includes cache events in Georgia, what's new, issues facing the GGA,
discussion boards, as well as a resource section.
http://www.ggaonline.org
The Groundspeak Forums:
Geocaching discussion forum. Topics on general questions,
geographical regions, adventures, and GPS related issues.
http://ubbx.groundspeak.com/6/ubb.x